package com.heima.behavior.service.Impl;

import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.constants.article.HotArticleConstants;
import com.heima.common.constants.message.UpdateArticleMess;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dto.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    RabbitTemplate rabbitTemplate;
    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
        // 1. 校验参数
        //检验是否登录
        ApUser user = AppThreadLocalUtils.getUser();
        if (user==null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN,"请登录");
        }
        Integer userId = user.getId();
        Integer equipmentId = dto.getEquipmentId();
        // 2. 查询行为实体
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(userId, equipmentId);
        if (apBehaviorEntry==null) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        // 3. 查询是否有该行为实体的点赞记录 如果是点赞并且有记录 提示请勿重复点赞
            Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId())
                                        .and("articleId").is(dto.getArticleId()));
        ApLikesBehavior likesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
        if (likesBehavior!=null&&dto.getOperation().intValue()==0){
            CustException.cust(AppHttpCodeEnum.DATA_EXIST,"请勿重复点赞");
        }
        // 4. 点赞或取消点赞
        //operator 为0 点赞
        if(dto.getOperation().intValue()==0){
            likesBehavior = new ApLikesBehavior();
            likesBehavior.setArticleId(dto.getArticleId());
            likesBehavior.setCreatedTime(new Date());
            likesBehavior.setEntryId(apBehaviorEntry.getId());
            likesBehavior.setType((short) 0);
            likesBehavior.setOperation((short) 0);
            mongoTemplate.save(likesBehavior);
        }else {
            //为1 取消点赞
            mongoTemplate.remove(query,ApLikesBehavior.class);
        }



        UpdateArticleMess mess = new UpdateArticleMess();
        mess.setType(UpdateArticleMess.UpdateArticleType.LIKES);
        mess.setAdd(dto.getOperation()==0?1:-1);
        mess.setArticleId(dto.getArticleId());
        String s = JSON.toJSONString(mess);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE,s);

        log.info("点赞行为发送消息 {}",s);
        return ResponseResult.okResult();

    }
}
